US6078014A - Cord switch and pressure sensor - Google Patents
Cord switch and pressure sensor Download PDFInfo
- Publication number
- US6078014A US6078014A US08/875,742 US87574298A US6078014A US 6078014 A US6078014 A US 6078014A US 87574298 A US87574298 A US 87574298A US 6078014 A US6078014 A US 6078014A
- Authority
- US
- United States
- Prior art keywords
- wire electrodes
- cord switch
- wire
- insulator
- hollowed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H3/142—Cushion or mat switches of the elongated strip type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/10—Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/10—Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable
- H01B7/104—Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable responsive to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H3/142—Cushion or mat switches of the elongated strip type
- H01H2003/143—Cushion or mat switches of the elongated strip type provisions for avoiding the contact actuation when the elongated strip is bended
Definitions
- This invention relates to a cord switch carrying out AN ON/OFF operation with high accuracy in response to an pressure change, and to a pressure sensor using such a cord switch.
- the automation of various machines and facilities has been advanced.
- sensors of various kinds have become more necessary.
- the sensor is required for sensing an object or the hand of a human being caught into its opening when the opening and closing member is shut.
- a sheet type of input switch or pressure sensor has widely been used, which is made by dispersing graphite or metal particles into silicone rubber to give conductivity and forming the mixture into a pressure sensitive and conductive rubber sheet.
- Such a prior art is disclosed in Japanese Patent Publication Nos. 40-24061; 57-53602; 56-54019; 58-24921; and Japanese Laid Open Patent Publication No. 53-897.
- a cord-shaped switch or sensor having the long sheet sandwiched electrodes is described in Japanese Laid Open Patent Publication Nos. 61-161621; and 63-52024; and Rubber Industries, Vol. 21(1985), No.1.
- Japanese Laid Open Patent Publication No. 63-52024 a pressure is detected by the drop in electric resistance caused by pressurization, but charge of electric resistance is too low.
- the electric resistance is changed by internal stress generated within the sensor itself by bending thereof and the like, resulting in an erroneous operation of the sensor.
- Japanese Laid Open Patent Publication No. 6-260054 the disadvantage of the above low changed amount in electric resistance can be improved by providing a cavity between facing continuity members (electrodes), and detecting the pressure by means of contact between the continuity members caused by pressurization.
- this sensor has a serious defect in which the direction to be sensed is concentrated or biased in one direction, that is, it can not sense pressurization from the side.
- facing electrodes easily come into contact each other in a beat condition and thus, this sensor can not be used in a curved portion.
- the cord switch of the present invention is characterized in that at least two wire electrodes are spirally arranged along an inner surface of an insulator hollowed in cross section, which comprises a restorative rubber or plastic material, in a longitudinal direction wherein said wire electrodes are not electrically contacting each other, the wire electrodes are fixed to said hollowed insulator in a state where said wire electrodes are projected from said insulator, and the wire electrodes have a spiral lead length L in a range from N ⁇ -25 N ⁇ , wherein N represents the number of the wire electrodes, and ⁇ represents an inside diameter of a circle inscribed by the wire electrodes arranged spirally.
- FIG. 1 is a perspective view of one preferred embodiment of the cord switch of the present invention
- FIG. 2 is a cross-sectional view of the cord switch shown in FIG. 1;
- FIG. 3 is a cross-sectional view of one preferred embodiment of a wire electrode of the present invention.
- FIG. 4 shows a circuit diagram of the pressure sensor of the prior art
- FIG. 5 is a cross-sectional view of a second preferred embodiment of the cord switch of the present invention.
- FIG. 6 shows a circuit diagram of one preferred embodiment of the pressure sensor of the present invention.
- FIG. 7 is an illustrative view of a method for evaluating the responsiveness of the cord switch in the peripheral, radial directions of the cord switch.
- FIG. 8 is an illustrative view of a method for evaluating the responsiveness of the cord switch to the non-parallel deformation.
- a cord switch 1 As shown by a perspective view of FIG. 1 and a cross-sectional view of FIG. 2, a cord switch 1 according to the present invention comprises a pair of wire-type electrodes 2, an insulator 3 hollowed in cross-section and a cavity 4.
- the pair of wire electrodes 2 are spaced apart from one another at a prescribed interval and are spirally arranged along the inner surface of the hollowed insulator 3 made of a restorative rubber or plastic material in the longitudinal direction thereof.
- the hollowed insulator 3 has the pair of wire electrodes 2 held and fixed on the inner surface thereof and not in contact with each other, easily deformed by an external force, and restored as soon as the force is removed therefrom.
- the restorative rubber to form the hollow insulator 3 includes silicone rubber, ethylene propylene rubber, styrene-butadiene rubber, chloroprene rubber, and the like.
- the restorative plastics includes polyethylene, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, polypropylene, poly(vinyl) chloride, polyolefin or styrene thermoplastic elastomer and the like.
- the wire type electrode 2 generally consists of a metal conductor such as copper wire, copper alloy etc., it is preferred to use a metal stranded wire made by stranding a plurality of metal wires to provide its improved flexibility and restorativeness.
- the wire electrode 2 has a conductive rubber or plastic layer 6 coated on the outer periphery of the metal conductive wire 5 as shown in FIG. 3.
- the conductive rubber or plastic layer 6 can be formed by extruding an intimate mixture on the outer periphery of the metal conductive wire 5 to form the coating thereon.
- the intimate mixture can be obtained by blending a filler such as carbon black, etc. into the restorative rubber or plastics to form the layer 6.
- the rubber or plastic layer 6 has a cross-sectional area twice or more that of the metal conductive wire 5. This can give a sufficient elasticity to the wire electrode 2 as well as the ability of the hollowed insulator 3 sufficient to hold and fix the wire electrode 2 thereby providing a large restorative force to the wire electrode 2.
- the spiral lead length L (L set forth one pitch or cycle of the electrode 2) of the wire electrode 2 in the range of N ⁇ -25N ⁇ (N represents the number of the wire electrodes 2 and ⁇ represents the diameter of a circle inscribed in the pair of wire electrodes 2) and more preferably, 2N ⁇ -10N ⁇ .
- N represents the number of the wire electrodes 2
- ⁇ represents the diameter of a circle inscribed in the pair of wire electrodes 2
- 2N ⁇ -10N ⁇ When the value of L is less than that of N ⁇ , the insurance of the space necessary to keep the insulating properties between the pair of wire electrodes 2 tends to become difficult, and when the value of L exceeds that of 20N ⁇ , the buckling caused by the bending tends to develop thereby resulting in erroneous operation of the cord switch 1.
- the wire electrode 2 may spirally be wound only in one direction throughout the entire length of the cord switch 1, but the direction of the spiral winding also can be reversed on the halfway of cord switch 1.
- the projected amount of the respective wire electrodes is preferably 5% or more of the inside diameter of the hollowed insulator 3 and more preferably, 10% or more thereof. When it is less than 5%, the wire electrodes 2 might contact each other depending on the direction of applied pressure.
- One concrete example of the projected amount is 0.3 mm or more and more preferably, 6 mm or more when the inside diameter of the hollowed insulator 3 is in the range of from 1.5 mm to 5 mm.
- the pressure responsiveness in respective modes can be enhanced.
- the number of the wire electrodes 2 is generally even. In this case, it is concomitantly important to design the mechanical properties such as the outside diameter or the spiral lead L of the wire electrode 2, the outside diameter of the sensor 1, the thickness of the hollowed insulator 3, the elastic modulus of the hollowed insulator 3 and electrode and the like, depending on the target performance for the cord switch 1.
- an increase in the number of electrodes on the circumference of the inner circle in the cross section of the hollow insulator 3 may enable the paired electrodes 2 to contact each other even if the amount of deformation in cross section of the insulator 3 becomes more small, thereby enabling the reduced amount of projection of the electrode 2 to provide a similar pressure responsiveness to that of the increased amount of projection.
- a decreased number of electrodes 2 is preferred in the respects of the thinner sensor or cord switch 1, arrangement of an acute-angled curved portion, reduction in the number of connection processes for the wire electrodes 2 and the like. In this way, the present invention can provide a high-performance sensor suitable for all objects by selecting a appropriate construction of the sensor.
- FIG. 4 shows a schematic view of a pressure sensor in a case of two wire electrodes.
- a power supply 7 and an ammeter 8 are connected to respective ends of the wire electrodes 2
- a current controlling resistor 9 is connected to other respective ends thereof.
- a weak monitoring current "i" is normally applied to this circuit and a short-circuit current flows through this circuit when the wire electrodes 2 are in contact with each other by applying an external pressure to the wire electrodes 2, so that one can detect the abnormality, based on this increase in current.
- the portion having the resistor 9 attached can not have the function as a sensor.
- the influence such as increase in the outside diameter of the sensor and the like caused by attaching the resistor 9 is unavoidable.
- the detecting system by two wire electrodes 2 has a large restrictive factor in mounting the sensor in the case of detecting the hand caught into the opening of a motor vehicle window shield caused by a motor-operated switching device.
- FIG. 5 shows a cord switch 10 having four wire electrodes 2, of which basic construction is the same as that of the cord switch 1 shown in FIG. 1.
- a power supply 7 and an ammeter 8 are connected between two wire electrodes 2 and a resistor 9 is connected between other two wire electrodes 2 in one end thereof, and the wire electrodes 2 are connected to each other in the other end, resulting in a serial circuit comprising the power supply 7, the ammeter 8, the wire electrode 2 and the resistor 9.
- the pressure sensor 10 having such a construction can have the sensor function even in the end portion thereof.
- a variety of cord switches having a spiral construction are manufactured by coating a conductive rubber compound (of a volume resistivity of 5 ohm ⁇ cm) mixed with carbon black on the surface of a metal conductive wire (of the outside diameter of 0.38 mm) consisting of 7 tinned stranded copper wires to form a wire electrode having the outside diameter ranging from 0.6 mm to 2.0 mm (a cross sectional ratio of the metal conductive wire/the conductive rubber layer ranging from 2.5 to 28), forming this wire electrode into a spiral wire, extruding ethylene propylene onto the outer periphery of this spiral wire to form a hollow insulator, heating both of the conductive rubber layer and the hollow insulator for crosslinking thereof to make a variety of cord switches.
- the bending tests of the cord switch having 10 mm and 30 mm radii were effected by applying a pressure to the bent portion and the results were judged by whether ON/OFF operations were normally kept or not.
- a good operation in a 10 mm bending is represented by mark ""
- the good operation in the 30 mm bending is represented by mark " ⁇ ”
- the bad operation in the 30 mm bending is represented by mark "x”.
- the existence or absence of ON/OFF operations is judged by applying a pressure to the cord switch 1 in 24 radial directions at a 15' angle intervals in the cross section thereof.
- 24 points are given to the result and it is evaluated as 100%.
- the responsiveness angles of ON/OFF operations were measured by fixing a part of the cord switch 1 to a stand 12, assuming a pressurizing angle parallel to the fixed plane of the stand 12 as "0°", and applying a pressure to the cord switch 1 with a round bar in a radial direction while changing the angle from this point at a 5° angle intervals.
- the ON/OFF operations were evaluated when the cord switch 1 was pressurized at arbitrary positions in longitudinal directions.
- the pressurization was effected using a cord switch having the wire electrode number ranging from 10N to 30N and a round bar having an outside diameter ranging from 4 mm to 200 mm.
- a good operation was evaluated by a mark " ⁇ "
- an erroneous operation was evaluated by a mark "x”.
- any cord switch of the present invention has excellent evaluated results on respective items of the bending characteristics, responsiveness of bent portion, responsibility in the peripheral, radial direction, responsiveness in non-parallel deformation and responsibility at the positions in the longitudinal direction.
- the present invention can provide a cord switch which can surely respond to the situation where an object or a part of the human body is caught, and an erroneous operation never generates even a curved arrangement of the cord switch, and thus, the present invention has a very high industrial value.
Landscapes
- Push-Button Switches (AREA)
Abstract
Description
TABLE 1 ______________________________________ Examples Preferredembodiments Items 1 2 3 4 5 6 7 8 ______________________________________ Hollowed insulator O.D. (mm) 6.0 6.0 6.4 5.9 6.0 5.9 5.8 5.7 Thickness of 1.1 1.1 1.3 0.9 1.0 0.7 0.8 0.4 insulator (mm) Wire Electrode O.D. (mm) 0.8 0.8 1.0 1.0 1.5 0.8 0.8 1.3Number N 2 2 2 2 2 2 4 4Lead length L 10 7.5 8.0 6.0 38.0 6.0 20.0 13.0 (mm) N φ 2.7 2.0 2.2 1.7 20 1.5 2.8 1.8 Projected amount (mm) 0.1 0.5 0.6 0.8 1.1 0.6 0.2 0.9 (%) 2.6 13.2 15.8 19.5 27.5 14.3 4.8 18.4 Bending ⊚ ⊚ ⊚ .circleincirc le. ◯ ⊚ .circlein circle. ⊚ characteristic Responsiveness ◯ ◯ ◯ ◯ ◯ .largecircle . ◯ .largecirc le. of bend portion Responsiveness 100 100 100 100 100 100 100 100 in the peripheral, radial direction (%) Responsiveness 30 60 70 80 85 70 70 90 in non-parallel deformation (degrees) Responsiveness ◯ ◯ ◯ ◯ ◯ .largecircle . ◯ .largecirc le. at the positions in longitudinal direction ______________________________________
TABLE 2 ______________________________________ Examples Preferredembodiments Items 9 10 11 12 13 14 15 16 ______________________________________ Hollowed insulator O.D. (mm) 5.8 5.5 5.8 5.2 6.6 6.0 6.2 4.0 Thickness of 0.4 0.7 0.8 0.7 0.9 0.9 0.5 0.5 insulator (mm) Wire Electrode O.D. (mm) 0.8 1.1 1.1 1.0 1.0 0.8 0.8 0.8Number N 4 4 4 4 6 6 6 2 Lead Length L 8.0 30.0 50.0 25.0 30.0 24.0 20.0 7.0 (mm) N φ 1.2 4.0 6.5 3.0 2.3 2.2 1.8 2.8 Projected amount (mm) 0.5 0.8 0.8 0.8 0.7 0.5 0.6 0.5 (%) 10.0 19.5 19.0 21.1 14.6 11.9 11.5 16.7 Bending ⊚ ⊚ ◯ ⊚ ◯ .largecircl e. ⊚ ⊚ characteristic Responsiveness ◯ ◯ ◯ ◯ ◯ .largecircle . ◯ .largecirc le. of bend portion Responsiveness 100 100 100 100 100 100 100 100 in the peripheral, radial direction (%) Responsiveness 90 90 90 90 90 85 80 70 in non-parallel deformation (degrees) Responsiveness ◯ ◯ ◯ ◯ ◯ .largecircle . ◯ .largecirc le. at the positions in longitudinal direction ______________________________________
TABLE 3 ______________________________________ Examples Embodiments Comparatives Items 17 18 1 2 ______________________________________ Hollowed insulator O.D. (mm) 4.0 4.2 5.8 5.8 Thickness of insulator 0.5 0.4 0.8 0.7 (mm) Wire Electrode O.D. (mm) 0.8 0.8 1.1 3.0 (width)Number N 4 6 4 2 Lead Length L (mm) 20 40.0 50.0 ∞ (straight line) N φ 3.2 4.0 6.5 -- Projected amount (mm) 0.5 0.6 0 0 (%) 16.7 17.6 0 0 Bending characteristic ⊚ ⊚ ◯ X Responsiveness of bend ◯ ◯ ◯ X portion Responsiveness in the 100 100 100 40 peripheral, radial direction (%) Responsiveness in 85 85 10 20 non-parallel deformation (degrees) Responsiveness at the ◯ ◯ ◯ ◯ positions in longitudinal direction ______________________________________
Claims (11)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7-315515 | 1995-12-04 | ||
JP31551595 | 1995-12-04 | ||
JP7-331788 | 1995-12-20 | ||
JP33178895 | 1995-12-20 | ||
PCT/JP1996/003537 WO1997021235A1 (en) | 1995-12-04 | 1996-11-29 | Cord switch and pressure sensor |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/443,887 Division US6316846B1 (en) | 1995-12-04 | 1999-11-19 | Cord switch and pressure sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
US6078014A true US6078014A (en) | 2000-06-20 |
Family
ID=26568333
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/875,742 Expired - Lifetime US6078014A (en) | 1995-12-04 | 1996-11-29 | Cord switch and pressure sensor |
US09/443,887 Expired - Lifetime US6316846B1 (en) | 1995-12-04 | 1999-11-19 | Cord switch and pressure sensor |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/443,887 Expired - Lifetime US6316846B1 (en) | 1995-12-04 | 1999-11-19 | Cord switch and pressure sensor |
Country Status (7)
Country | Link |
---|---|
US (2) | US6078014A (en) |
JP (2) | JP3707796B2 (en) |
KR (1) | KR100455099B1 (en) |
CA (1) | CA2211449C (en) |
DE (1) | DE19681199B4 (en) |
GB (1) | GB2314459B (en) |
WO (1) | WO1997021235A1 (en) |
Cited By (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6316846B1 (en) * | 1995-12-04 | 2001-11-13 | Hitachi Cable, Ltd. | Cord switch and pressure sensor |
US6329620B1 (en) * | 1999-04-09 | 2001-12-11 | Konami Co., Ltd. | Flat foot switch unit with non-slippage structure |
US6339305B1 (en) * | 1997-12-24 | 2002-01-15 | Asmo Co., Ltd. | Automatic opening and closing device |
US6450886B1 (en) * | 1999-04-09 | 2002-09-17 | Konami Co., Ltd. | Foot switcher, foot switch sheet and mat for use in the same |
US20030071727A1 (en) * | 2001-10-17 | 2003-04-17 | Haag Ronald Helmut | Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing |
WO2003034315A2 (en) * | 2001-10-17 | 2003-04-24 | Delphi Technologies, Inc. | Flexible capacitive strip for use in a non-contact obstacle detection system |
US6584678B2 (en) | 2001-04-17 | 2003-07-01 | Lester E. Burgess | Pressure actuated switching device and transfer method for making same |
US20040032045A1 (en) * | 2000-04-03 | 2004-02-19 | Werner Lepach | Method and device for producing an insulated cable |
US6700393B2 (en) | 2001-10-17 | 2004-03-02 | Delphi Technologies, Inc. | Capacitive sensor assembly for use in a non-contact obstacle detection system |
US6777958B2 (en) | 2001-10-17 | 2004-08-17 | Delphi Technologies, Inc. | Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor |
US20070117445A1 (en) * | 2005-10-31 | 2007-05-24 | Hitachi Cable, Ltd. | Cord switch and detecting apparatus using the same |
US20070131445A1 (en) * | 2005-12-14 | 2007-06-14 | Gustavsson Stefan B | Cord control and accessories having cord control for use with portable electronic devices |
WO2007069007A1 (en) * | 2005-12-14 | 2007-06-21 | Sony Ericsson Mobile Communications Ab | Discrete cord control and accessories having discrete cord control for use with portable electronic devices |
US20090133994A1 (en) * | 2007-11-22 | 2009-05-28 | Hitachi Cable, Ltd. | Cord switch |
US20090183579A1 (en) * | 2008-01-22 | 2009-07-23 | Hitachi Cable, Ltd. | Cable-type load sensor |
US20090218846A1 (en) * | 2006-01-24 | 2009-09-03 | Renault S. A. S | Trapping detection seal for opening leaves of vehicles |
US20120081130A1 (en) * | 2010-10-05 | 2012-04-05 | Miller Edge, Inc. | Resistor storage cavity in plug of sensing edge |
US8395474B2 (en) | 2011-01-13 | 2013-03-12 | Hitachi Cable, Ltd. | Position sensor cord, position sensor and planar position sensor |
US9202644B2 (en) | 2013-04-30 | 2015-12-01 | Hitachi Metals, Ltd. | Cord switch and cord switch mounting structure |
US20160242951A1 (en) * | 2011-06-21 | 2016-08-25 | Bianca Berk | Tooth Attachment |
US9863179B2 (en) | 2010-10-05 | 2018-01-09 | Miller Edge, Inc. | Sensing edge |
CN108254112A (en) * | 2016-12-28 | 2018-07-06 | 日立金属株式会社 | Voltage sensitive sensor |
US10246927B2 (en) | 2010-10-05 | 2019-04-02 | Miller Edge, Inc. | Sensing edge |
US20190131969A1 (en) * | 2016-04-22 | 2019-05-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Elastomer-based Capacitive Control and Operating Element |
US20190178729A1 (en) * | 2017-12-08 | 2019-06-13 | Hitachi Metals, Ltd. | Pressure-sensitive sensor and method for manufacturing the same |
US20190305776A1 (en) * | 2016-09-21 | 2019-10-03 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellscha ft, Bamberg | Capacitive sensor electrode, method for producing a capacitive sensor electrode, and capacitive sensor |
US10622167B2 (en) * | 2016-12-28 | 2020-04-14 | Hitachi Metals, Ltd. | Method of manufacturing a pressure-sensitive sensor |
WO2020079072A1 (en) * | 2018-10-17 | 2020-04-23 | Robert Bosch Gmbh | Line set for a charging station, charging station |
US11050186B2 (en) | 2019-07-16 | 2021-06-29 | Japan Aviation Electronics Industry, Limited | Connection structure, forming method of connection structure and cable of connection structure |
US20230265703A1 (en) * | 2022-02-21 | 2023-08-24 | Ford Global Technologies, Llc | Window system that has a pressure-sensitive material and an associated object detection method |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3354506B2 (en) | 1997-12-17 | 2002-12-09 | アスモ株式会社 | Pressure sensor and method of manufacturing pressure sensor |
EP0935268A3 (en) * | 1998-02-09 | 2000-09-06 | Shinmei Rubber Ind. Co., Ltd. | Omnidirectional response cable switch |
GB2343371B (en) * | 1998-11-03 | 2000-09-27 | Ulland Islwyn Watkins | Control of powered furniture |
EP1011184A1 (en) * | 1998-12-15 | 2000-06-21 | Talltec Technologies Holdings S.A. | Safety device for an electric motor-driven sliding panel and method for carrying out this arrangement |
US7000352B2 (en) * | 2001-02-22 | 2006-02-21 | Asmo Co., Ltd. | Backdoor system of vehicle having pressure sensor for detecting object pinched by backdoor |
FR2871904B1 (en) * | 2004-06-22 | 2006-09-22 | Airbus Groupement D Interet Ec | CLOSURE CONTROL DEVICE OF A BAGGAGE BOX |
JP2006044370A (en) * | 2004-08-02 | 2006-02-16 | Denso Corp | Occupant protection system |
US7645956B2 (en) * | 2005-05-16 | 2010-01-12 | Weber Precision Graphics | Fail safe membrane switches |
DE202005011044U1 (en) * | 2005-07-06 | 2006-11-16 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Sensor system for a anti-trap device |
JP4809680B2 (en) * | 2006-01-17 | 2011-11-09 | 日立電線株式会社 | Impact detection sensor |
JP4821983B2 (en) * | 2006-05-17 | 2011-11-24 | 日立電線株式会社 | Electric cable |
JP4532511B2 (en) * | 2007-01-31 | 2010-08-25 | アスモ株式会社 | Foreign matter detection sensor |
JP5742670B2 (en) | 2010-11-10 | 2015-07-01 | 日立金属株式会社 | Pressure sensor manufacturing method and pressure sensor |
DE202012001554U1 (en) | 2012-02-17 | 2013-05-24 | Mayser Gmbh & Co. Kg | Profile for a safety edge, connector and electrical safety edge |
CN104252750A (en) * | 2014-09-05 | 2014-12-31 | 绍兴金创意塑化电器有限公司 | Squeezing trigger type signal line |
JP6645256B2 (en) * | 2016-02-24 | 2020-02-14 | 日立金属株式会社 | Switch device for steering and steering wheel |
EP4338908A3 (en) * | 2016-05-31 | 2024-05-15 | SawStop Holding LLC | Detection systems for power tools with active injury mitigation technology |
JP6634345B2 (en) * | 2016-05-31 | 2020-01-22 | 株式会社ミツバ | Touch sensor unit |
CN107288468A (en) * | 2017-08-01 | 2017-10-24 | 上海荣南科技有限公司 | Car anti-clamping bar |
JP7016777B2 (en) * | 2018-08-23 | 2022-02-07 | 株式会社ミツバ | How to manufacture the sensor unit |
JP7289237B2 (en) * | 2019-07-22 | 2023-06-09 | 株式会社ミツバ | touch sensor |
CN110616979A (en) * | 2019-10-25 | 2019-12-27 | 宁波恩迈智能科技有限公司 | 360 signal sensor of degree response |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2843694A (en) * | 1953-09-11 | 1958-07-15 | Forges Ateliers Const Electr | Remote control cables |
US5459962A (en) * | 1993-08-09 | 1995-10-24 | Metzeler Automotive Profiles Gmbh | Trapping protector for power-operated closing devices |
US5780793A (en) * | 1993-04-30 | 1998-07-14 | Meteor Gummiwerke K. H. Badje Gmbh & Co. | Safety switch having a carbon fiber conductor |
US5880421A (en) * | 1996-04-23 | 1999-03-09 | Asmo Co., Ltd. | Power window side visor sensing switch arrangement |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR456105A (en) * | 1912-03-30 | 1913-08-18 | Ernst Sutheim | Mass suitable for coating internally receptacles, particularly fermentation vats, shipping barrels, casks, or the like, and method of applying it |
DE1731152U (en) * | 1956-07-09 | 1956-10-04 | Rheinische Draht Und Kabelwerk | SAFETY CONTACT CABLE. |
US3099722A (en) * | 1959-12-28 | 1963-07-30 | Gracia Luis Vila | Floating suspension including switching means for friction rollers |
DE1640741B2 (en) * | 1967-11-29 | 1972-06-15 | Kabel und Metallwerke Gutehoff nungshutte AG, 3000 Hannover | ELECTRICAL CONTACT CABLE |
JPS5753602B2 (en) * | 1974-01-14 | 1982-11-13 | ||
GB1509031A (en) * | 1975-04-09 | 1978-04-26 | Peachey G | Pressure actuated continuous electrical switch |
JPS53897A (en) * | 1976-06-24 | 1978-01-07 | Japan Synthetic Rubber Co Ltd | Pressure sensing element and method of manufacture thereof |
JPS5379937A (en) * | 1976-12-24 | 1978-07-14 | Yokohama Rubber Co Ltd:The | Pressure-sensitive electro-conductive rubber composition |
JPS5824921B2 (en) * | 1977-12-30 | 1983-05-24 | 信越ポリマ−株式会社 | pressure sensitive resistance element |
DE2934401C2 (en) * | 1979-08-24 | 1982-02-11 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Circuit arrangement for controlling and monitoring a closing and opening movement of a leaf |
JPS61161621A (en) * | 1985-01-04 | 1986-07-22 | 株式会社信明産業 | Manufacture of pressure switch |
US4745301A (en) * | 1985-12-13 | 1988-05-17 | Advanced Micro-Matrix, Inc. | Pressure sensitive electro-conductive materials |
JPS6352024A (en) * | 1986-08-22 | 1988-03-05 | Canon Inc | Pressure sensor |
US4951985A (en) * | 1988-11-01 | 1990-08-28 | Transitions Research Corporation | Bumper for impact detection |
JPH06260054A (en) * | 1991-05-30 | 1994-09-16 | Nissei Denki Kk | Pressure-sensitive switch |
DE4209661A1 (en) * | 1992-03-25 | 1993-09-30 | Udo Hofmann | Permanent monitoring for cracks in pre-stressed concrete structures - applying electrically conducting films to structure and monitoring electrical resistance |
US5259143A (en) * | 1992-04-17 | 1993-11-09 | Wayne-Dalton Corp. | Astragal for closure members |
DE9312248U1 (en) * | 1993-08-17 | 1993-11-04 | Bär Elektrowerke GmbH & Co KG, 58579 Schalksmühle | Electric cord switch |
CA2211449C (en) * | 1995-12-04 | 2003-04-22 | Shigeru Kashiwazaki | Cord switch and pressure sensor |
JPH09288931A (en) * | 1996-04-22 | 1997-11-04 | Asmo Co Ltd | Cord switch |
US5774046A (en) * | 1996-06-13 | 1998-06-30 | Asmo Co., Ltd. | Power window apparatus with sensor failure detection |
JPH10321070A (en) * | 1996-07-09 | 1998-12-04 | Ebatsuku:Kk | Tubular switch and its connecting tool |
-
1996
- 1996-11-29 CA CA 2211449 patent/CA2211449C/en not_active Expired - Lifetime
- 1996-11-29 GB GB9716023A patent/GB2314459B/en not_active Expired - Lifetime
- 1996-11-29 WO PCT/JP1996/003537 patent/WO1997021235A1/en active IP Right Grant
- 1996-11-29 DE DE19681199T patent/DE19681199B4/en not_active Expired - Lifetime
- 1996-11-29 JP JP52115697A patent/JP3707796B2/en not_active Expired - Lifetime
- 1996-11-29 KR KR1019970705206A patent/KR100455099B1/en not_active IP Right Cessation
- 1996-11-29 US US08/875,742 patent/US6078014A/en not_active Expired - Lifetime
-
1999
- 1999-11-19 US US09/443,887 patent/US6316846B1/en not_active Expired - Lifetime
-
2005
- 2005-06-08 JP JP2005168092A patent/JP2005302736A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2843694A (en) * | 1953-09-11 | 1958-07-15 | Forges Ateliers Const Electr | Remote control cables |
US5780793A (en) * | 1993-04-30 | 1998-07-14 | Meteor Gummiwerke K. H. Badje Gmbh & Co. | Safety switch having a carbon fiber conductor |
US5459962A (en) * | 1993-08-09 | 1995-10-24 | Metzeler Automotive Profiles Gmbh | Trapping protector for power-operated closing devices |
US5880421A (en) * | 1996-04-23 | 1999-03-09 | Asmo Co., Ltd. | Power window side visor sensing switch arrangement |
Cited By (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6316846B1 (en) * | 1995-12-04 | 2001-11-13 | Hitachi Cable, Ltd. | Cord switch and pressure sensor |
US6339305B1 (en) * | 1997-12-24 | 2002-01-15 | Asmo Co., Ltd. | Automatic opening and closing device |
US6329620B1 (en) * | 1999-04-09 | 2001-12-11 | Konami Co., Ltd. | Flat foot switch unit with non-slippage structure |
US6450886B1 (en) * | 1999-04-09 | 2002-09-17 | Konami Co., Ltd. | Foot switcher, foot switch sheet and mat for use in the same |
US20040032045A1 (en) * | 2000-04-03 | 2004-02-19 | Werner Lepach | Method and device for producing an insulated cable |
US6584678B2 (en) | 2001-04-17 | 2003-07-01 | Lester E. Burgess | Pressure actuated switching device and transfer method for making same |
US6723933B2 (en) * | 2001-10-17 | 2004-04-20 | Ronald Helmut Haag | Flexible capacitive strip for use in a non-contact obstacle detection system |
WO2003034315A3 (en) * | 2001-10-17 | 2003-11-13 | Delphi Tech Inc | Flexible capacitive strip for use in a non-contact obstacle detection system |
WO2003034315A2 (en) * | 2001-10-17 | 2003-04-24 | Delphi Technologies, Inc. | Flexible capacitive strip for use in a non-contact obstacle detection system |
US6700393B2 (en) | 2001-10-17 | 2004-03-02 | Delphi Technologies, Inc. | Capacitive sensor assembly for use in a non-contact obstacle detection system |
US20030071727A1 (en) * | 2001-10-17 | 2003-04-17 | Haag Ronald Helmut | Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing |
US6750624B2 (en) | 2001-10-17 | 2004-06-15 | Delphi Technologies, Inc. | Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing |
US6777958B2 (en) | 2001-10-17 | 2004-08-17 | Delphi Technologies, Inc. | Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor |
US20070117445A1 (en) * | 2005-10-31 | 2007-05-24 | Hitachi Cable, Ltd. | Cord switch and detecting apparatus using the same |
US7534957B2 (en) * | 2005-10-31 | 2009-05-19 | Hitachi Cable, Ltd. | Cord switch and detecting apparatus using the same |
WO2007069007A1 (en) * | 2005-12-14 | 2007-06-21 | Sony Ericsson Mobile Communications Ab | Discrete cord control and accessories having discrete cord control for use with portable electronic devices |
WO2007069001A1 (en) * | 2005-12-14 | 2007-06-21 | Sony Ericsson Mobile Communications Ab | Cord control and accessories having cord control for use with portable electronic devices |
US7256347B2 (en) | 2005-12-14 | 2007-08-14 | Sony Ericsson Mobile Communications Ab | Cord control and accessories having cord control for use with portable electronic devices |
US20070131445A1 (en) * | 2005-12-14 | 2007-06-14 | Gustavsson Stefan B | Cord control and accessories having cord control for use with portable electronic devices |
CN101331747B (en) * | 2005-12-14 | 2012-08-29 | 索尼爱立信移动通讯有限公司 | Discrete cord control and accessories having discrete cord control for use with portable electronic devices |
US20090218846A1 (en) * | 2006-01-24 | 2009-09-03 | Renault S. A. S | Trapping detection seal for opening leaves of vehicles |
US20090133994A1 (en) * | 2007-11-22 | 2009-05-28 | Hitachi Cable, Ltd. | Cord switch |
US8115125B2 (en) | 2007-11-22 | 2012-02-14 | Hitachi Cable, Ltd. | Cord switch |
US7752927B2 (en) * | 2008-01-22 | 2010-07-13 | Hitachi Cable, Ltd. | Cable-type load sensor |
US20090183579A1 (en) * | 2008-01-22 | 2009-07-23 | Hitachi Cable, Ltd. | Cable-type load sensor |
US10246927B2 (en) | 2010-10-05 | 2019-04-02 | Miller Edge, Inc. | Sensing edge |
US8901940B2 (en) * | 2010-10-05 | 2014-12-02 | Miller Edge, Inc. | Resistor storage cavity in plug of sensing edge |
US9863179B2 (en) | 2010-10-05 | 2018-01-09 | Miller Edge, Inc. | Sensing edge |
US20120081130A1 (en) * | 2010-10-05 | 2012-04-05 | Miller Edge, Inc. | Resistor storage cavity in plug of sensing edge |
US8395474B2 (en) | 2011-01-13 | 2013-03-12 | Hitachi Cable, Ltd. | Position sensor cord, position sensor and planar position sensor |
US20160242951A1 (en) * | 2011-06-21 | 2016-08-25 | Bianca Berk | Tooth Attachment |
US9202644B2 (en) | 2013-04-30 | 2015-12-01 | Hitachi Metals, Ltd. | Cord switch and cord switch mounting structure |
US10727832B2 (en) * | 2016-04-22 | 2020-07-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Elastomer-based capacitive control and operating element |
US20190131969A1 (en) * | 2016-04-22 | 2019-05-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Elastomer-based Capacitive Control and Operating Element |
US20190305776A1 (en) * | 2016-09-21 | 2019-10-03 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellscha ft, Bamberg | Capacitive sensor electrode, method for producing a capacitive sensor electrode, and capacitive sensor |
CN108254112A (en) * | 2016-12-28 | 2018-07-06 | 日立金属株式会社 | Voltage sensitive sensor |
US10451496B2 (en) * | 2016-12-28 | 2019-10-22 | Hitachi Metals, Ltd. | Pressure-sensitive sensor |
US10622167B2 (en) * | 2016-12-28 | 2020-04-14 | Hitachi Metals, Ltd. | Method of manufacturing a pressure-sensitive sensor |
CN108254112B (en) * | 2016-12-28 | 2021-09-21 | 日立金属株式会社 | Pressure-sensitive sensor |
US11217400B2 (en) | 2016-12-28 | 2022-01-04 | Hitachi Metals, Ltd. | Pressure-sensitive sensor |
US20190178729A1 (en) * | 2017-12-08 | 2019-06-13 | Hitachi Metals, Ltd. | Pressure-sensitive sensor and method for manufacturing the same |
US10890495B2 (en) * | 2017-12-08 | 2021-01-12 | Hitachi Metals, Ltd. | Pressure-sensitive sensor including a hollow tubular member of an elastic insulation |
WO2020079072A1 (en) * | 2018-10-17 | 2020-04-23 | Robert Bosch Gmbh | Line set for a charging station, charging station |
US11865931B2 (en) | 2018-10-17 | 2024-01-09 | Robert Bosch Gmbh | Line set for a charging station, charging station |
US11050186B2 (en) | 2019-07-16 | 2021-06-29 | Japan Aviation Electronics Industry, Limited | Connection structure, forming method of connection structure and cable of connection structure |
US20230265703A1 (en) * | 2022-02-21 | 2023-08-24 | Ford Global Technologies, Llc | Window system that has a pressure-sensitive material and an associated object detection method |
US11993970B2 (en) * | 2022-02-21 | 2024-05-28 | Ford Global Technologies, Llc | Window system that has a pressure-sensitive material and an associated object detection method |
Also Published As
Publication number | Publication date |
---|---|
JP2005302736A (en) | 2005-10-27 |
JP3707796B2 (en) | 2005-10-19 |
CA2211449C (en) | 2003-04-22 |
GB2314459B (en) | 2000-03-15 |
US6316846B1 (en) | 2001-11-13 |
GB2314459A (en) | 1997-12-24 |
KR19980701809A (en) | 1998-06-25 |
WO1997021235A1 (en) | 1997-06-12 |
KR100455099B1 (en) | 2005-01-26 |
DE19681199B4 (en) | 2008-02-21 |
DE19681199T1 (en) | 1998-02-26 |
GB9716023D0 (en) | 1997-10-01 |
CA2211449A1 (en) | 1997-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6078014A (en) | Cord switch and pressure sensor | |
JP4504904B2 (en) | Code switch and detection device using the same | |
TWI403710B (en) | Liquid leakage sensor | |
US20050092061A1 (en) | Impact sensor | |
US5661405A (en) | Elongate sensor having polymeric electrodes filled with conductive particles and having braided sleeves | |
US6724195B2 (en) | Contact sensor | |
JP5553032B2 (en) | Position sensor code, position sensor, and planar position sensor | |
US10508933B2 (en) | Composite detection sensor and sensor cable | |
JP5023994B2 (en) | Cord switch | |
JP2009129676A5 (en) | ||
JP2000258112A (en) | Flexible strain sensor | |
JP2007157652A (en) | Cord switch | |
JP2006310211A (en) | Contact/non-contact integral cord switch | |
US20030184309A1 (en) | Sensor for measuring changes in ambient conditions | |
US10670426B2 (en) | Line sensor | |
WO2023148825A1 (en) | Cable | |
JP2006024438A (en) | Flexible switch and its manufacturing method | |
WO2006068194A1 (en) | Pressure sensitive sensor and pressure sensitive element | |
JP5860801B2 (en) | Pressure detection cable | |
JP3664146B2 (en) | Cable-shaped piezoelectric sensor | |
JP2666220B2 (en) | Method of manufacturing band-shaped switch structure | |
JP2001183247A (en) | Pressure detector | |
JP2015145791A (en) | Pressure-sensitive sensor | |
JPH11160169A (en) | Pressure sensitive element and heater comprising the same | |
JPS58210572A (en) | Overheated electric wire detector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ASMO CO., LTD., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KASHIWAZAKI, SHIGERU;YAGYU, HIDEKI;HORII, KOJI;AND OTHERS;REEL/FRAME:008798/0512 Effective date: 19971106 Owner name: HITACHI CABLE, LTD., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KASHIWAZAKI, SHIGERU;YAGYU, HIDEKI;HORII, KOJI;AND OTHERS;REEL/FRAME:008798/0512 Effective date: 19971106 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |